| 摘要 |
Dispensers for dispensing a flowable product and methods for controlling the dispensers are provided. In one exemplary embodiment, a dispenser has a sensor, a container holding the flowable product therein, a pumping unit fluidly communicating with the container, an ultraviolet light source, and a controller. A method includes generating a first signal utilizing the sensor of the dispenser. The method further includes generating a second signal to induce the ultraviolet light source of the dispenser to emit ultraviolet light in response to the controller of the dispenser receiving the first signal from the sensor.
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